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-- **********************************************************************
-- CISCO-APS-MIB.my: Cisco Automatic Protection Switching (APS) MIB
--
-- Nov 2001, Ashok Chippa, Altaf Shaikh
--
-- Copyright (c) 2001, 2002 by Cisco Systems, Inc.
-- All rights reserved.
-- **********************************************************************
-- Caution. This MIB is temporary and experimental. In the
-- future it will be removed from products, perhaps with short
-- notice, in favor of more standard or generic MIBs.
-- Application developers should not depend on long-term access
-- to this MIB.
-- This MIB module is based on the Internet Draft
-- draft-ietf-atommib-sonetaps-mib-05.txt. In terms of object
-- syntax and semantics, the content of this Cisco MIB is the
-- same as the corresponding Internet Draft revision. This Cisco
-- MIB was created due to the "subject to change" nature of
-- Internet Drafts. This Cisco MIB may later be deprecated, and
-- the stable RFC, which may replace the Internet Draft, may be
-- implemented in its place.
CISCO-APS-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, NOTIFICATION-TYPE,
OBJECT-TYPE,
Gauge32, Counter32, Integer32,
transmission
FROM SNMPv2-SMI
TEXTUAL-CONVENTION, RowStatus,
TimeStamp
FROM SNMPv2-TC
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB
InterfaceIndex
FROM IF-MIB
MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
FROM SNMPv2-CONF
ciscoExperiment FROM CISCO-SMI;
cApsMIB MODULE-IDENTITY
LAST-UPDATED "200112261200Z"
ORGANIZATION "Cisco Systems, inc"
CONTACT-INFO
"Cisco Systems, Inc.
Customer Service
Postal: 170 W. Tasman Drive
San Jose, CA 95134-1706
USA
Tel: +1 800 553-NETS
Email: gsr-netman@cisco.com"
DESCRIPTION
"This management information module supports the
configuration and management of SONET linear APS groups.
The definitions and descriptions used in this mib have
been derived from Synchronous Optical Network (SONET)
Transport Systems: Common Generic Criteria, GR-253-CORE
Revision 2, January 1999,section 5.3. The MIB is also
consistent with the Multiplex Section Protection (MSP)
protocol as specified in ITU-T Recommendation G.783,
Characteristics of synchronous digital hierarchy (SDH)
equipment function blocks, Annex A and B.
This MIB was extracted from internet draft
draft-ietf-atommib-sonetaps-mib-05.txt for SONET Linear APS
architectures, by J. Johnson, M. Thatcher, and J. Kuhfeld.
"
REVISION "200112261200Z"
DESCRIPTION
"Latest version of the IETF draft."
REVISION "200104290000Z"
DESCRIPTION
"A draft version of the APS MIB."
::= { ciscoExperiment 71 }
cApsMIBObjects OBJECT IDENTIFIER
::= { cApsMIB 1 }
cApsMIBNotifications OBJECT IDENTIFIER
::= { cApsMIB 2 }
cApsMIBConformance OBJECT IDENTIFIER
::= { cApsMIB 3 }
CApsK1K2 ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This Textual Convention describes an object that stores
a SONET K1 and K2 byte Aps protocol field.
K1 is located in the first octet, K2 is located in
the second octet. Bits are numbered from left to right,
with the most significant bit being the leftmost.
Bits 1-4 of the K1 byte indicate a request.
1111 Lockout of Protection
1110 Forced Switch
1101 SF - High Priority
1100 SF - Low Priority
1011 SD - High Priority
1010 SD - Low Priority
1001 not used
1000 Manual Switch
0111 not used
0110 Wait-to-Restore
0101 not used
0100 Exercise
0011 not used
0010 Reverse Request
0001 Do Not Revert
0000 No Request
Bits 5-8 of the K1 byte indicate the channel associated
with the request defined in bits 1-4.
0000 is the Null channel.
1-14 are working channels.
15 is the extra traffic channel
Bits 1-4 of the K2 byte indicate a channel. The channel is
defined with the same syntax as K1 Bits 5-8.
Bit 5 of the K2 byte indicates the
architecture.
0 if the architecture is 1+1
1 if the architecture is 1:n
Bits 6-8 of the K2 byte indicates the
mode.
000 - 011 are reserved for future use
100 indicates the mode is unidirectional
101 indicates the mode is bidirectional
110 RDI-L
111 AIS-L "
REFERENCE
"Bellcore (Telcordia Technologies) GR-253-CORE,
Issue 2,Revision 2 (January 1999), 5.3.5."
SYNTAX OCTET STRING (SIZE (2))
CApsSwitchCommand ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An Aps switch command allows a user to perform protection
switch actions.
The Switch command values are:
noCmd
This value should be returned by a read request when no
switch command has been written to the object in question
since initialization. This value may not be used in a
write operation.
clear
Clears all of the switch commands listed below for the
specified channel.
lockoutOfProtection
Prevents any of the working channels from switching to the
protection line. The specified channel should be the
protection channel.
forcedSwitchWorkToProtect
Switches the specified working channel to the protection
line.
forcedSwitchProtectToWork
Switches the working channel back from the protection
line to the working line. The specified channel should be
the protection channel.
manualSwitchWorkToProtect
Switches the specified working channel to the protection
line.
manualSwitchProtectToWork
Switches the working channel back from the protection
line to the working line. The specified channel should be
the protection channel.
exercise
Exercises the protocol for a protection switch of the
specified channel by issuing an Exercise request for that
channel and checking the response on the Aps channel."
SYNTAX INTEGER {
noCmd(1),
clear(2),
lockoutOfProtection(3),
forcedSwitchWorkToProtect(4),
forcedSwitchProtectToWork(5),
manualSwitchWorkToProtect(6),
manualSwitchProtectToWork(7),
exercise(8)
}
CApsControlCommand ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"An APS control command applies only to LTE that support
the 1:n architecture and performs the following actions.
The Control command values are:
noCmd
This value should be returned by a read request when no
control command has been written to the object in question
since initialization. This value may not be used in a write
operation.
lockoutWorkingChannel
Prevents the specified working channel from switching to
the protection line.
clearLockoutWorkingChannel
Clears the lockout a working channel command for the
channel specified."
SYNTAX INTEGER {
noCmd(1),
lockoutWorkingChannel(2),
clearLockoutWorkingChannel(3)
}
--
-- APS Configuration Table
--
-- This table supports the addition, configuration and deletion
-- of groups.
--
cApsConfig OBJECT IDENTIFIER ::= { cApsMIBObjects 1 }
cApsConfigGroups OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of APS groups. This count includes all rows
in cApsConfigTable."
::= { cApsConfig 1 }
cApsConfigTable OBJECT-TYPE
SYNTAX SEQUENCE OF CApsConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the APS groups that have been
configured on the system."
::= { cApsConfig 2 }
cApsConfigEntry OBJECT-TYPE
SYNTAX CApsConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the cApsConfigTable."
INDEX { IMPLIED cApsConfigName }
::= { cApsConfigTable 1 }
CApsConfigEntry ::= SEQUENCE {
cApsConfigName SnmpAdminString,
cApsConfigRowStatus RowStatus,
cApsConfigMode INTEGER,
cApsConfigRevert INTEGER,
cApsConfigDirection INTEGER,
cApsConfigExtraTraffic INTEGER,
cApsConfigSdBerThreshold Integer32,
cApsConfigSfBerThreshold Integer32,
cApsConfigWaitToRestore Integer32,
cApsConfigCreationTime TimeStamp
}
cApsConfigName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A textual name for the APS group.
"
::= { cApsConfigEntry 1 }
cApsConfigRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this APS group entry.
An entry may not exist in the active state unless all
objects in the entry have an appropriate value. Also,
all associated cApsChanConfigEntry rows must
represent a set of consecutive channel numbers
beginning with 0 or 1, depending on the selected
architecture.
When set to notInService changes may be made to
cApsConfigMode, cApsConfigRevert,
cApsConfigDirection, cApsConfigExtraTraffic,
cApsConfigSdBerThreshold, cApsConfigSfBerThreshold,
and cApsConfigWaitToRestore. Also, associated
cApsChanConfigTable objects may be added,
deleted and modified."
::= { cApsConfigEntry 2 }
cApsConfigMode OBJECT-TYPE
SYNTAX INTEGER {
onePlusOne(1),
oneToN(2),
onePlusOneCompatible(3),
onePlusOneOptimized(4)
}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The architecture of the APS group.
onePlusOne
The 1+1 architecture permanently bridges the working
line to the protection line.
oneToN
The 1:n architecture allows one protection channel to
protect up to n working channels. When a fault is detected
on one of the n working channels that channel is bridged
over the protection channel.
onePlusOneCompatible
This refers to 1 + 1 bidirectional switching compatible
with 1:n bidirectional switching as specified in ITU-T
Recommendation G.783 (04/97) section A.3.4.1. Since this
mode necessitates bidirectional switching,
cApsConfigDirection must be set to bidirectional
whenever onePlusOneCompatible is set.
onePlusOneOptimized
This refers to 1 + 1 bidirectional switching optimized
for a network using predominantly 1 + 1 bidirectional
switching as specified in ITU-T Recommendation G.783
(04/97) section B.1. Since this mode necessitates
bidirectional switching, cApsConfigDirection must
be set to bidirectional whenever onePlusOneOptimized
is set.
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1)."
DEFVAL {onePlusOne}
::= { cApsConfigEntry 3 }
cApsConfigRevert OBJECT-TYPE
SYNTAX INTEGER { nonrevertive(1), revertive(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The revertive mode of the APS group.
nonrevertive
Traffic remains on the protection line until another
switch request is received.
revertive
When the condition that caused a switch to the
protection line has been cleared the signal is switched
back to the working line. Since switching is revertive
with the 1:n architecture, cApsConfigRevert must
be set to revertive if cApsConfigMode is set
to oneToN.
Switching may optionally be revertive with the 1+1
architecture.
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1).
"
DEFVAL { nonrevertive }
::= { cApsConfigEntry 4 }
cApsConfigDirection OBJECT-TYPE
SYNTAX INTEGER { unidirectional(1), bidirectional(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The directional mode of the APS group.
unidirectional
The unidirectional mode provides protection in one
direction.
bidirectional
The bidirectional mode provides protection in both
directions.
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1)."
DEFVAL {unidirectional}
::= { cApsConfigEntry 5 }
cApsConfigExtraTraffic OBJECT-TYPE
SYNTAX INTEGER { enabled(1), disabled(2) }
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object enables or disables the transfer of extra
traffic on the protection channel in a 1:n architecture.
This object must be set to disabled if the architecture
is 1+1. It may be necessary to disable this in order to
interwork with other SONET network elements that don't
support extra traffic.
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1)."
DEFVAL { disabled }
::= { cApsConfigEntry 6 }
cApsConfigSdBerThreshold OBJECT-TYPE
SYNTAX Integer32 (5..9)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Signal Degrade Bit Error Rate.
The negated value of this number is used as the exponent
of 10 for computing the threshold value for the Bit Error
Rate (BER). For example, a value of 5 indicates a BER
threshold of 10^-5.
This object may be modified if the associated
cApsConfigRowStatus object is equal to active(1)."
DEFVAL { 5 }
::= { cApsConfigEntry 7 }
cApsConfigSfBerThreshold OBJECT-TYPE
SYNTAX Integer32 (3..5)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Signal Failure Bit Error Rate.
The negated value of this number is used as the exponent
of 10 for computing the threshold value for the Bit Error
Rate (BER). For example, a value of 5 indicates a BER
threshold of 10^-5.
This object may be modified if the associated
cApsConfigRowStatus object is equal to active(1)."
DEFVAL { 3 }
::= { cApsConfigEntry 8 }
cApsConfigWaitToRestore OBJECT-TYPE
SYNTAX Integer32 (0..720)
UNITS "seconds"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Wait To Restore period in seconds.
After clearing of a condition that necessitated an
automatic switch, the wait to restore period must elapse
before reverting. This is intended to avoid rapid switch
oscillations.
GR-253-CORE specifies a Wait To Restore range of 5 to 12
minutes. G.783 defines a 5 to 12 minute Wait To Restore
range in section 5.4.1.1.3, but also allows for a shorter
WTR period in Table 2-1,
WaitToRestore value (MI_WTRtime: 0..(5)..12 minutes).
This object may not be modified if the associated
cApsConfigRowStatus object is equal to active(1)."
DEFVAL { 300 }
::= { cApsConfigEntry 9 }
cApsConfigCreationTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime at the time the row was
created"
::= { cApsConfigEntry 10 }
--
-- APS Status Table
--
-- This table provides APS group statistics.
--
cApsStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF CApsStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table provides status information about APS groups
that have been configured on the system."
::= { cApsMIBObjects 2 }
cApsStatusEntry OBJECT-TYPE
SYNTAX CApsStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the cApsStatusTable. Entries
in this table are created as a side effect of row
addition in cApsConfigTable."
INDEX { IMPLIED cApsConfigName}
::= { cApsStatusTable 1 }
CApsStatusEntry ::= SEQUENCE {
cApsStatusK1K2Rcv CApsK1K2,
cApsStatusK1K2Trans CApsK1K2,
cApsStatusCurrent BITS,
cApsStatusModeMismatches Counter32,
cApsStatusChannelMismatches Counter32,
cApsStatusPSBFs Counter32,
cApsStatusFEPLFs Counter32,
cApsStatusSwitchedChannel Integer32
}
cApsStatusK1K2Rcv OBJECT-TYPE
SYNTAX CApsK1K2
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current value of the K1 and K2 bytes received on
the protection channel."
::= { cApsStatusEntry 1 }
cApsStatusK1K2Trans OBJECT-TYPE
SYNTAX CApsK1K2
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current value of the K1 and K2 bytes transmitted
on the protection channel."
::= { cApsStatusEntry 2 }
cApsStatusCurrent OBJECT-TYPE
SYNTAX BITS {
modeMismatch(0),
channelMismatch(1),
psbf(2),
feplf(3),
extraTraffic(4)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The current status of the APS group.
modeMismatch
Modes other than 1+1 unidirectional monitor protection
line K2 bit 5, which indicates the architecture and K2
bits 6-8, which indicate if the mode is unidirectional
or bidirectional. A conflict between the current local
mode and the received K2 mode information constitutes
a mode mismatch.
channelMismatch
This bit indicates a mismatch between the transmitted
K1 channel and the received K2 channel has been detected.
psbf
This bit indicates a Protection Switch Byte Failure (PSBF)
is in effect. This condition occurs when either an
inconsistent APS byte or an invalid code is detected. An
inconsistent APS byte occurs when no three consecutive K1
bytes of the last 12 successive frames are identical,
starting with the last frame containing a previously
consistent byte. An invalid code occurs when the incoming
K1 byte contains an unused code or a code irrelevant for
the specific switching operation (e.g., Reverse Request
while no switching request is outstanding) in three
consecutive frames. An invalid code also occurs when the
incoming K1 byte contains an invalid channel number in
three consecutive frames.
feplf
Modes other than 1+1 unidirectional monitor the K1 byte
for Far-End Protection-Line failures. A Far-End
Protection-Line defect is declared based on receiving
SF on the protection line.
extraTraffic
This bit indicates whether extra traffic is currently being
accepted on the protection line."
::= { cApsStatusEntry 3 }
cApsStatusModeMismatches OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Mode Mismatch conditions."
::= { cApsStatusEntry 4 }
cApsStatusChannelMismatches OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Channel Mismatch conditions."
::= { cApsStatusEntry 5 }
cApsStatusPSBFs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Protection Switch Byte Failure conditions.
This condition occurs when either an inconsistent APS
byte or an invalid code is detected. An inconsistent
APS byte occurs when no three consecutive K1 bytes of
the last 12 successive frames are identical, starting
with the last frame containing a previously consistent
byte. An invalid code occurs when the incoming K1 byte
contains an unused code or a code irrelevant for the
specific switching operation (e.g., Reverse Request
while no switching request is outstanding) in three
consecutive frames. An invalid code also occurs when
the incoming K1 byte contains an invalid channel number
in three consecutive frames."
::= { cApsStatusEntry 6 }
cApsStatusFEPLFs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Far-End Protection-Line Failure conditions.
This condition is declared based on receiving SF on
the protection line in the K1 byte."
::= { cApsStatusEntry 7 }
cApsStatusSwitchedChannel OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This field is set to the number of the channel that is
currently switched to protection. The value 0 indicates
no channel is switched to protection. The values 1-14
indicate that working channel is switched to protection."
::= { cApsStatusEntry 8 }
--
-- APS Map Group
--
-- Lists the SONET LTE interfaces that may be used to create APS
-- groups.
--
cApsMap OBJECT IDENTIFIER ::= { cApsMIBObjects 3 }
cApsChanLTEs OBJECT-TYPE
SYNTAX Gauge32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The count of SONET LTE interfaces on the system. Each
interface that is included has an ifType value of
sonet(39)."
::= { cApsMap 1 }
cApsMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF CApsMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the SONET LTE interfaces on the system.
Each interface that is listed has an ifType value of
sonet(39)."
::= { cApsMap 2 }
cApsMapEntry OBJECT-TYPE
SYNTAX CApsMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the cApsMapTable."
INDEX { cApsMapIfIndex }
::= { cApsMapTable 1 }
CApsMapEntry ::= SEQUENCE {
cApsMapIfIndex InterfaceIndex,
cApsMapGroupName SnmpAdminString,
cApsMapChanNumber Integer32
}
cApsMapIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The Interface Index assigned to a SONET LTE. This is
an interface with ifType sonet(39)."
::= { cApsMapEntry 1 }
cApsMapGroupName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (0..32))
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A textual name for the APS group which this channel is
included in. If the channel is not part of an APS group
this value is set to a string of size 0.
When an instance of cApsChanConfigIfIndex is set
equal to an instance of cApsMapIfIndex,
cApsMapGroupName is set equal to the corresponding
value of cApsChanConfigGroupName.
If the cApsMapIfIndex ceases to be equal to an
instance of cApsChanConfigIfIndex, either because
of a change in the value of cApsChanConfigIfIndex,
or because of row deletion in the CApsChanConfigTable,
cApsMapGroupName is set to a string of size 0.
"
::= { cApsMapEntry 2 }
cApsMapChanNumber OBJECT-TYPE
SYNTAX Integer32 (-1..14)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This field is set to a unique channel number within an APS
group. The value 0 indicates the null channel. The values
1-14 define a working channel. If the SONET LTE is not part
of an APS group this value is set to -1.
When an instance of cApsChanConfigIfIndex is set equal
to an instance of cApsMapIfIndex, cApsMapChanNumber
is set equal to the corresponding value of
cApsChanConfigNumber.
If the cApsMapIfIndex ceases to be equal to an instance
of cApsChanConfigIfIndex, either because of a change in
the value of cApsChanConfigIfIndex, or because of row
deletion in the CApsChanConfigTable, cApsMapChanNumber
is set to -1."
::= { cApsMapEntry 3 }
--
-- APS Channel Configuration Table
--
-- This table supports the addition, configuration and deletion of
-- channels in APS groups.
--
cApsChanConfigTable OBJECT-TYPE
SYNTAX SEQUENCE OF CApsChanConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the APS channels that have been
configured in APS groups."
::= { cApsMIBObjects 4 }
cApsChanConfigEntry OBJECT-TYPE
SYNTAX CApsChanConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the cApsChanConfigTable."
INDEX { cApsChanConfigGroupName,
cApsChanConfigNumber }
::= { cApsChanConfigTable 1 }
CApsChanConfigEntry ::= SEQUENCE {
cApsChanConfigGroupName SnmpAdminString,
cApsChanConfigNumber Integer32,
cApsChanConfigRowStatus RowStatus,
cApsChanConfigIfIndex InterfaceIndex,
cApsChanConfigPriority INTEGER
}
cApsChanConfigGroupName OBJECT-TYPE
SYNTAX SnmpAdminString (SIZE (1..32))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A textual name for the APS group which this channel is
included in."
::= { cApsChanConfigEntry 1 }
cApsChanConfigNumber OBJECT-TYPE
SYNTAX Integer32 (0..14)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This field is set to a unique channel number within an APS
group. The value 0 indicates the null channel. The values
1-14 define a working channel.
This field must be assigned a unique number within the group."
::= { cApsChanConfigEntry 2 }
cApsChanConfigRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this APS channel entry.
An entry may not exist in the active state unless all
objects in the entry have an appropriate value.
A row in the cApsChanConfigTable may not be created,
deleted, set to notInService or otherwise modified if the
cApsChanConfigGroupName value is equal to an
cApsConfigName value and the associated
cApsConfigRowStatus object is equal to active. However,
if the cApsConfigRowStatus object is equal to
notInService, a row may be created, deleted or modified.
In other words, a channel may not be added, deleted or
modified if the group is active.
A row may be created with an cApsChanConfigGroupName
value that is not equal to any existing instance of
cApsConfigName. This action is the initial step in
adding a SONET LTE to a new APS group.
If this object is set to destroy, the associated instance
of cApsMapGroupName will be set to a string of size
0 and the cApsMapChanNumber will be set to -1. The
channel status entry will also be deleted by this action.
cApsChanConfigNumber must be set to a unique channel
number within the APS group. The value 0 indicates the
null channel. The values 1-14 define a working channel.
When an attempt is made to set the corresponding
cApsConfigRowStatus field to active the
cApsChanConfigNumber values of all entries with
equal cApsChanConfigGroupName fields must represent a
set of consecutive integer values beginning with 0 or 1,
depending on the architecture of the group, and ending with
n, where n is greater than or equal to 1 and less than or
equal to 14. Otherwise, the error inconsistentValue is
returned to the cApsConfigRowStatus set attempt.
"
::= { cApsChanConfigEntry 3 }
cApsChanConfigIfIndex OBJECT-TYPE
SYNTAX InterfaceIndex
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The Interface Index assigned to a SONET LTE. This is an
interface with ifType sonet(39). The value of this object
must be unique among all instances of
cApsChanConfigIfIndex. In other words, a particular
SONET LTE can only be configured n one APS group.
This object cannot be set if the
cApsChanConfigGroupName instance associated with this
row is equal to an instance of cApsConfigName and the
corresponding cApsConfigRowStatus object is set to
active. In other words this value cannot be changed if the
APS group is active. However, This value may be changed if
the cApsConfigRowStatus value is equal to notInService.
"
::= { cApsChanConfigEntry 4 }
cApsChanConfigPriority OBJECT-TYPE
SYNTAX INTEGER {low(1), high(2)}
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The priority of the channel.
This field deterimines whether high or low priority
SD and SF codes are used in K1 requests.
This field is only applicable if the channel is to be
included in a group using the 1:n architecture. It is
not applicable if the channel is to be included in a
group using the 1+1 architecture, and is ignored
in that case.
This object cannot be set if the
cApsChanConfigGroupName instance associated with
this row is equal to an instance of cApsConfigName
and the corresponding cApsConfigRowStatus object is
set to active. In other words this value cannot be
changed if the APS group is active. However, This value
may be changed if the cApsConfigRowStatus value is
equal to notInService.
"
DEFVAL { low }
::= { cApsChanConfigEntry 5 }
--
-- APS Command Table
--
-- This table provides the ability to initiate APS commands.
--
cApsCommandTable OBJECT-TYPE
SYNTAX SEQUENCE OF CApsCommandEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table allows commands to be sent to configured
APS groups."
::= { cApsMIBObjects 5 }
cApsCommandEntry OBJECT-TYPE
SYNTAX CApsCommandEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the cApsCommandTable. This
row exists only if the associated cApsConfigEntry
is active."
INDEX { cApsChanConfigGroupName,
cApsChanConfigNumber
}
::= { cApsCommandTable 1 }
CApsCommandEntry ::= SEQUENCE {
cApsCommandSwitch CApsSwitchCommand,
cApsCommandControl CApsControlCommand
}
cApsCommandSwitch OBJECT-TYPE
SYNTAX CApsSwitchCommand
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Allows the initiation of an APS switch command on the
APS group and channel specified by the index values.
If the APS switch command cannot be executed because an
equal or higer priority request is in effect, an error
is returned.
When read this object returns the last command written
or noCmd if no command has been written to this
channel since initialization. The return of the last
command written does not imply that this command is
currently in effect. This request may have been
preempted by a higher priority local or remote
request. In order to determine the current state of the
APS group it is necessary to read the objects
cApsStatusK1K2Rcv and cApsStatusK1K2Trans.
The value lockoutOfProtection should only be applied
to the protection line channel since that switch command
prevents any of the working channels from switching to
the protection line. Following the same logic,
forcedSwitchProtectToWork and manualSwitchProtectToWork
should only be applied to the protection line channel.
forcedSwitchWorkToProtect and manualSwitchWorkToProtect
should only be applied to a working channel.
"
::= { cApsCommandEntry 1 }
cApsCommandControl OBJECT-TYPE
SYNTAX CApsControlCommand
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"Allows the initiation of an APS control command on the
APS group and channel specified by the index values.
When read this object returns the last command written
or noCmd if no command has been
written to this channel since initialization.
This object does not apply to the protection line.
"
::= { cApsCommandEntry 2 }
--
-- APS Channel Status Table
--
-- This table provides APS channel statistics.
--
cApsChanStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF CApsChanStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains status information for all SONET
LTE interfaces that are included in APS groups."
::= { cApsMIBObjects 6 }
cApsChanStatusEntry OBJECT-TYPE
SYNTAX CApsChanStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A conceptual row in the cApsChanStatusTable. A row
in this table is created as a side effect of row addition
in the cApsChanConfigTable. The cApsChanStatusTable
row exists as long as the cApsChanConfigTable entry
exists, regardless of whether the associated
cApsChanConfigRowStatus is active.
"
INDEX { cApsChanConfigGroupName, cApsChanConfigNumber }
::= { cApsChanStatusTable 1 }
CApsChanStatusEntry ::= SEQUENCE {
cApsChanStatusCurrent BITS,
cApsChanStatusSignalDegrades Counter32,
cApsChanStatusSignalFailures Counter32,
cApsChanStatusSwitchovers Counter32,
cApsChanStatusLastSwitchover TimeStamp,
cApsChanStatusSwitchoverSeconds Counter32
}
cApsChanStatusCurrent OBJECT-TYPE
SYNTAX BITS {
lockedOut(0),
sd(1),
sf(2),
switched(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Indicates the current state of the port.
lockedOut
This bit, when applied to a working channel, indicates
that the channel is prevented from switching to the
protection line. When applied to the null channel, this
bit indicates that no working channel may switch to the
protection line.
sd
A signal degrade condition is in effect.
sf
A signal failure condition is in effect.
switched
The switched bit is applied to a working channel if that
channel is currently switched to the protection line.
"
::= { cApsChanStatusEntry 1 }
cApsChanStatusSignalDegrades OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Signal Degrade conditions. This
condition occurs when the line Bit Error Rate
exceeds the currently configured threshold."
::= { cApsChanStatusEntry 2 }
cApsChanStatusSignalFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A count of Signal Failure conditions that have been
detected on the incoming signal. This condition occurs
when a loss of signal, loss of frame, AIS-L or a Line
bit error rate exceeding 10^-3 is detected on an
incoming line."
::= { cApsChanStatusEntry 3 }
cApsChanStatusSwitchovers OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of times this channel has switched to the
protection line. When queried with index value
cApsChanConfigNumber set to 0, which is the
protection line, this object will return 0."
::= { cApsChanStatusEntry 4 }
cApsChanStatusLastSwitchover OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime when this channel last completed
a switch to the protection line. If this channel has
never switched to the protection line, or this channel
is the protection line, the value 0 will be returned."
::= { cApsChanStatusEntry 5 }
cApsChanStatusSwitchoverSeconds OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The cumulative Protection Switching Duration (PSD) time
in seconds. For a working channel, this is the cumulative
number of seconds that service was carried on the protection
line.For the protection line, this is the cumulative number
of seconds that the protection line has been used to carry
any working channel traffic. This information is only valid
if revertive switching is enabled. The value 0 will be
returned otherwise."
::= { cApsChanStatusEntry 6 }
--
-- APS EVENTS
--
cApsNotificationsPrefix OBJECT IDENTIFIER
::= { cApsMIBNotifications 0 }
cApsEventSwitchover NOTIFICATION-TYPE
OBJECTS { cApsChanStatusSwitchovers,
cApsChanStatusCurrent
}
STATUS current
DESCRIPTION
"An cApsEventSwitchover notification is sent when the
value of an instance of cApsChanStatusSwitchovers
increments."
::= { cApsNotificationsPrefix 1 }
cApsEventModeMismatch NOTIFICATION-TYPE
OBJECTS { cApsStatusModeMismatches,
cApsStatusCurrent
}
STATUS current
DESCRIPTION
"An cApsEventModeMismatch notification is sent when
the value of an instance of cApsStatusModeMismatches
increments."
::= { cApsNotificationsPrefix 2 }
cApsEventChannelMismatch NOTIFICATION-TYPE
OBJECTS { cApsStatusChannelMismatches,
cApsStatusCurrent
}
STATUS current
DESCRIPTION
"An cApsEventChannelMismatch notification is sent when
the value of an instance of cApsStatusChannelMismatches
increments."
::= { cApsNotificationsPrefix 3 }
cApsEventPSBF NOTIFICATION-TYPE
OBJECTS { cApsStatusPSBFs, cApsStatusCurrent }
STATUS current
DESCRIPTION
"An cApsEventPSBF notification is sent when the
value of an instance of cApsStatusPSBFs increments."
::= { cApsNotificationsPrefix 4 }
cApsEventFEPLF NOTIFICATION-TYPE
OBJECTS { cApsStatusFEPLFs, cApsStatusCurrent }
STATUS current
DESCRIPTION
"An cApsEventFEPLFs notification is sent when the
value of an instance of cApsStatusFEPLFs increments."
::= { cApsNotificationsPrefix 5 }
-- conformance information
cApsGroups OBJECT IDENTIFIER
::= { cApsMIBConformance 1 }
cApsCompliances OBJECT IDENTIFIER
::= { cApsMIBConformance 2 }
cApsCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for linear APS groups."
MODULE
MANDATORY-GROUPS { cApsConfigGeneral, cApsStatusGeneral,
cApsChanGeneral
}
OBJECT cApsConfigMode
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigRevert
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigDirection
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigExtraTraffic
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigSdBerThreshold
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigSfBerThreshold
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigWaitToRestore
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsConfigRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsChanConfigIfIndex
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsChanConfigPriority
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT cApsChanConfigRowStatus
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
GROUP cApsConfigWtr
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups supporting a configurable
WTR period."
GROUP cApsCommandOnePlusOne
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1+1 architecture and supporting set operations."
GROUP cApsCommandOneToN
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1:n architecture and supporting set operations."
GROUP cApsChanOneToN
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations. The information is
applicable to groups implementing the linear
APS 1:n architecture."
GROUP cApsTotalsGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
GROUP cApsMapGroup
DESCRIPTION
"Implementation of this group is optional for all
linear APS implementations."
::= { cApsCompliances 1 }
-- units of conformance
cApsConfigGeneral OBJECT-GROUP
OBJECTS
{
cApsConfigMode,
cApsConfigRevert,
cApsConfigDirection,
cApsConfigExtraTraffic,
cApsConfigSdBerThreshold,
cApsConfigSfBerThreshold,
cApsConfigCreationTime,
cApsConfigRowStatus
}
STATUS current
DESCRIPTION
"A collection of cApsConfigTable objects providing
configuration information applicable to all linear
APS groups."
::= { cApsGroups 1 }
cApsConfigWtr OBJECT-GROUP
OBJECTS
{
cApsConfigWaitToRestore
}
STATUS current
DESCRIPTION
"The cApsConfigTable object that provides information
which is applicable to groups supporting a configurable
WTR period."
::= { cApsGroups 2 }
-- If set operations are not supported neither of the following
-- two groups are implemented. If sets are supported only one
-- of these groups is implemented for a linear APS group instance.
cApsCommandOnePlusOne OBJECT-GROUP
OBJECTS
{
cApsCommandSwitch
}
STATUS current
DESCRIPTION
"The cApsCommandTable object which is applicable
to groups implementing the linear APS 1+1 architecture.
Also, set operations must be supported."
::= { cApsGroups 3 }
cApsCommandOneToN OBJECT-GROUP
OBJECTS
{
cApsCommandSwitch,
cApsCommandControl
}
STATUS current
DESCRIPTION
"A collection of cApsCommandTable objects which are
applicable to groups implementing the linear APS 1:n
architecture. Also, set operations must be supported."
::= { cApsGroups 4 }
cApsStatusGeneral OBJECT-GROUP
OBJECTS
{
cApsStatusK1K2Rcv,
cApsStatusK1K2Trans,
cApsStatusCurrent,
cApsStatusModeMismatches,
cApsStatusChannelMismatches,
cApsStatusPSBFs,
cApsStatusFEPLFs,
cApsStatusSwitchedChannel
}
STATUS current
DESCRIPTION
"A collection of cApsStatusTable objects providing
status information applicable to all linear APS groups."
::= { cApsGroups 5 }
cApsChanGeneral OBJECT-GROUP
OBJECTS
{
cApsChanConfigIfIndex,
cApsChanConfigRowStatus,
cApsChanStatusCurrent,
cApsChanStatusSignalDegrades,
cApsChanStatusSignalFailures,
cApsChanStatusSwitchovers,
cApsChanStatusLastSwitchover,
cApsChanStatusSwitchoverSeconds
}
STATUS current
DESCRIPTION
"A collection of channel objects providing information
applicable to all linear APS channels."
::= { cApsGroups 6 }
cApsChanOneToN OBJECT-GROUP
OBJECTS
{
cApsChanConfigPriority
}
STATUS current
DESCRIPTION
"The cApsChanConfigTable object that provides
information which is only applicable to groups
implementing the linear APS 1:n architecture."
::= { cApsGroups 7 }
cApsTotalsGroup OBJECT-GROUP
OBJECTS
{
cApsConfigGroups,
cApsChanLTEs
}
STATUS current
DESCRIPTION
"A collection of objects providing optional counts of
configured APS groups and SONET LTE interfaces."
::= { cApsGroups 8 }
cApsMapGroup OBJECT-GROUP
OBJECTS
{
cApsMapGroupName,
cApsMapChanNumber
}
STATUS current
DESCRIPTION
"A collection of cApsMapTable objects providing
a mapping from sonet(39) InterfaceIndex to group name
and channel number for assigned APS channels and a
list of unassigned sonet(39) interfaces."
::= { cApsGroups 9 }
cApsEventOptional NOTIFICATION-GROUP
NOTIFICATIONS { cApsEventSwitchover,
cApsEventModeMismatch,
cApsEventChannelMismatch,
cApsEventPSBF,
cApsEventFEPLF
}
STATUS current
DESCRIPTION
"A collection of SONET linear APS notifications that may
optionally be implemented."
::= { cApsGroups 10 }
END
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